coated aluminium coil

used in aluminum roofing,composite panels, decoration etc

Specification:

Thickness: 0.15mm-0.7mm

Width: 900mm-1.570mm

Color refer to our standard color catalogue, also can produce according to the

customers requirement

Raw material:

The alloy of the aluminium: AA1100, AA3003, AA3105, AA5005

Paint: PVDF(≥70%)

Specification:

Thickness: 0.12-0.70mm

Width: 1240mm, 1270mm, 1520mm, 1570mm etc

Max diameter: 1200mm

Weight: 2.5T/ coil, 3T/coil

Interior diameter: 505mm or 405mm

PVDF thickness:≥ 25um

Gloss: meet the customer requirement

Color standard: E ≤ 2 or it is not obvious by eyeballing

Pencil hardness: ≥ 2HB

Coating adhesive: not lower than first grade

Impact: no any crack (50kg/cm, ASTMD-2794:1993)

Buketon: ≥ 100 times

boiling point: no any didtortion and color change (in the 99 ± 1 degree water,

then cooling 2 hours)

Corrosive: surface deeping in the 5% muriatic acid and 5% NaCL, interior deeping

in the 2% muriatic acid and 2% NaCL, after 48 hours, no change

Package standard: PE plastic in interior, same width hardboard out of surface

Testing Report

      NO.ITEMTESTING METHODRESULT

      1.Gloss tolerance≤10(gloss<70)0.8(gloss=33.7)

      ≥5(gloss≥70)

      2.Grinding resistance≥5L/um≥17.7L/um

      3.Pencil hardness≥HB3H

      4.Coating flexibility≥2T2T

      5.Adhesive strengthnot lower than grade 1grade 1

      6.Impact resistance50kg.cm no depainting, no crack50kg.cm no depainting,

      no crack

      7.Boiling water resistanceno changeno change

      8.Acid resistanceno changeno change

      9.Alkaline resistanceno changeno change

      10.Oil resistanceno changeno change

      11.Solvent resistanceno changeno change

      12.Scrub resistance≥10000 times no change≥10000 times no change

      13.Pollute resistance≤15%2.00%

      14.Face densitySpecified value±0.5kg/m25.54kg/m2

      15.Artificial weatheringColor differences≤3.02.0

      Degradation of metallic film≤2 gradeclass 1

      Others 0 gradeclass 0

coated aluminium coil